Knob finial



FIG. 1 shows a perspective view of a knob finial incorporating the design;

FIG. 2 shows a front elevational view of the knob finial shown in FIG. 1, the rear elevational view, top plan view, and bottom plan view being identical;

FIG. 3 shows a right side elevational view of the knob finial shown in FIG. 1; and,

FIG. 4 shows a left side elevational view of the knob finial shown in FIG. 1. 

The ornamental design for a knob finial, as shown. 